Eoghan Harris (born 13 March 1943) is an Irish journalist, columnist, director, and former politician. He has held posts in various and diverse political parties. He was a leading theoretician in the Marxist-Leninist Workers' Party of Ireland, previously 'Official' Sinn Féin. Harris was a fierce critic of 'Provisional' Sinn Féin, from which they had split, and became an opponent of Irish republicanism. For much of the Troubles, from the 1970s until the 1990s, Harris worked in Raidió Teilifís Éireann (RTÉ) and was influential in shaping the current affairs output of Ireland's national broadcaster. Later he began writing for the Sunday Independent newspaper.